<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>读取表头信息 并获取</title>
</head>
<body>
<form action="/header" method="post">
  <input type="text" name="name">
  <input type="password" name="pass">
  <img src="/header">
</form>
</body>
</html>
